Is CVE-2021-23847 in the CISA KEV catalog?

No. CVE-2021-23847 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23847?

CVE-2021-23847 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-23847?

CVE-2021-23847 has an EPSS score of 1.43% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23847?

Upgrade cpp6 firmware to 7.80.0129 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-23847

CRITICAL

9.8

CVSS v3

NVD

Description

A Missing Authentication in Critical Function in Bosch IP cameras allows an unauthenticated remote attacker to extract sensitive information or change settings of the camera by sending crafted requests to the device. Only devices of the CPP6, CPP7 and CPP7.3 family with firmware 7.70, 7.72, and 7.80 prior to B128 are affected by this vulnerability. Versions 7.62 or lower and INTEOX cameras are not affected.

CWE-287Improper Authentication CWE-306Missing Authentication for Critical Function

How to fix

Remediation Available

cpp6 firmwareNVD

Affected:>= 7.80, < 7.80.0129Fixed in:7.80.0129CVE-2021-23847derived from NVD

cpp7.3 firmwareNVD

Affected:>= 7.80, < 7.80.0129Fixed in:7.80.0129CVE-2021-23847derived from NVD

cpp7 firmwareNVD

Affected:>= 7.80, < 7.80.0129Fixed in:7.80.0129CVE-2021-23847derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.43%probability of exploitation in 30 days

70thpercentile

Moderate risk: more likely to be exploited than 70% of all known CVEs.

References

Vendor Advisory1

psirt.bosch.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.